The New Autobot Skid-Z arrives on earth. He scans an old racing car but in doing so he is given a competitive instinct to race anyone anywhere. Knowing this, all the Autobots enter a large race hoping to find Skid-Z but Megatron has his own plans....

Megatron captures a set of protoforms and forms a newer, more classical faction of troops... the Decepticons.

The Build team tire of buliding and decide to fight.

Megatron's plan to force mankind to surrender by blowing up their power-producing dams sinks like X-Brawn, Prowl and Sideburn, when his Decepticon Commando is thwarted by imposter Autobots. The Predacons show a few new tricks and for once, Skybite seems to get away with his plan... if it wasn't for Optimus Prime saving the day (but not the dam).

Sky-Byte attacks the Autobots to disprove a test that says he's a jellyfish.

Ultra Magnus arrives and fights Optimus for the Matrix.

While recuperating, Optimus is attacked by the Decepticons but saved by Ultra Magnus.

The Decepticons and Autobots search for ruins that are in fact, Cybertronian.

Koji is finally reunited with his father, thanks to Sky-Byte.

After putting the O-parts together, the Autobots find an ancient power source.

The Decepticons capture Cerebros to activate Fortress Maximus.

The Decepticons discover the Autobot base and attacks to steal Cerebros.

Galavatron captures the children of the world to force the Autobots to leave.

The final showdown takes place.

Mirage turns against his friends and joins the Predacons. But is it even real?

The Predacons assault New York City to kidnap gifted scientist Dr Kenneth Onishi. Kenneth's son Koji joins forces with the Autobots to save him.

The Autobot Tow-Line enjoys towing away law-offenders, including his own friends. The Predacons scheme to use this quirk to their advantage.

The Predacons attack a carribean island but in doing so, activates a volcano.

The Decepticons decide to defect.

The Predacons plan to destroy a tower, but when they realize that they can get the O-Parts in exchange for the hostages, Sky-Byte has a change of heart.

Koji thinks he can control Fortress Maximus.

The Predacons are taking control over Linear RFG - the world's fastest bullet train. So, Optimus Prime is mobilizing Team Bullet Train to stop the train, while the others are fighting with the Predacons.

Sideburn and Koji investigate a cavern, with Sky-Byte not far behind.

The Spychangers, a squad of Autobot stealth soldiers, are deployed to safeguard a generator the Predacons are after.

The Predacons take advantage of Sideburn's lust for red sports cars, to lure him into a trap. Once they have Sideburn, they hope to reel in Optimus as well..